[PATCH 12/27] Input: Set fractional member in set_raw_valuators

[Daniel Stone]

RawDeviceEvents have space for fractional valuator members, so might as
well start using them.

Signed-off-by: Daniel Stone <daniel at fooishbar.org>
---
 dix/getevents.c |   20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/dix/getevents.c b/dix/getevents.c
index 1f145ac..2afe1a1 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -179,16 +179,20 @@ init_raw(DeviceIntPtr dev, RawDeviceEvent *event, Time ms, int type, int detail)
 }
 
 static void
-set_raw_valuators(RawDeviceEvent *event, ValuatorMask *mask, int32_t* data)
+set_raw_valuators(RawDeviceEvent *event, ValuatorMask *mask, int32_t* data,
+                  int32_t* data_frac)
 {
     int i;
+    double val;
 
     for (i = 0; i < valuator_mask_size(mask); i++)
     {
         if (valuator_mask_isset(mask, i))
         {
             SetBit(event->valuators.mask, i);
-            data[i] = valuator_mask_get(mask, i);
+            val = valuator_mask_get_double(mask, i);
+            data[i] = round_towards_zero(val);
+            data_frac[i] = (val - data[i]) * (1UL << 32);
         }
     }
 }
@@ -980,11 +984,13 @@ GetKeyboardEvents(InternalEvent *events, DeviceIntPtr pDev, int type,
     valuator_mask_copy(&mask, mask_in);
 
     init_raw(pDev, raw, ms, type, key_code);
-    set_raw_valuators(raw, &mask, raw->valuators.data_raw);
+    set_raw_valuators(raw, &mask, raw->valuators.data_raw,
+                      raw->valuators.data_raw_frac);
 
     clipValuators(pDev, &mask);
 
-    set_raw_valuators(raw, &mask, raw->valuators.data);
+    set_raw_valuators(raw, &mask, raw->valuators.data,
+                      raw->valuators.data_frac);
 
     event = &events->device_event;
     init_event(pDev, event, ms);
@@ -1129,7 +1135,8 @@ GetPointerEvents(InternalEvent *events, DeviceIntPtr pDev, int type, int buttons
     valuator_mask_copy(&mask, mask_in);
 
     init_raw(pDev, raw, ms, type, buttons);
-    set_raw_valuators(raw, &mask, raw->valuators.data_raw);
+    set_raw_valuators(raw, &mask, raw->valuators.data_raw,
+                      raw->valuators.data_raw_frac);
 
     if (flags & POINTER_ABSOLUTE)
     {
@@ -1177,7 +1184,8 @@ GetPointerEvents(InternalEvent *events, DeviceIntPtr pDev, int type, int buttons
         moveRelative(pDev, &x, &y, &mask);
     }
 
-    set_raw_valuators(raw, &mask, raw->valuators.data);
+    set_raw_valuators(raw, &mask, raw->valuators.data,
+                      raw->valuators.data_frac);
 
     positionSprite(pDev, (flags & POINTER_ABSOLUTE) ? Absolute : Relative,
                    &x, &y, x_frac, y_frac, scr, &cx, &cy, &cx_frac, &cy_frac);
-- 
1.7.5.3